topic 1
topic 2
topic 3 + 6
topic 4
topic 5
100
all the living and nonliving things in an area interacting with each other
What is an ecosystem
100
a living thing that is hunted for food
What is prey
100
the continuous movement of water between earths surface and the air,changing from liquid to gas to liquid
What is the water cycle
100
a relationship between 2 kinds of organisms that benafits 1 without harming the other
What is parasitism
100
one of earths large ecosystems,with its climate,soil,plants,and animals
What is a biome
200
the study of how living things and their environment interact
What is ecology
200
a living thing that hunts other living things for food
What is a predator
200
the transfer of nitrogen from the atmosphere to plants and back to the atmosphere and directly into the plants again
What is the nitrogen cycle
200
anything that controls the growth or survival of an organism or population
What is a limiting factor
200
a cool,forest biome of conifers in the upper northern hemisphere
What is a taiga
300
nonliving parts of an ecosystem
What is an abiotic factor
300
an animal that feeds on remains of dead animals
What is a scavenger
300
the continuous transfer of carbon between the atmosphere and living things
What is the carbon cycle
300
a characteristic that helps an organism survive in its environment
What is an adaptation
300
a cool treeless biome of the far north marked by spongy topsoil
What is a tundra
400
living parts of an ecosystem
What is a biotic factor
400
an animal that eats plants
What is a herbivore
400
the first species living in an area
What is pioneer species
400
a relationship between 2 kinds of organisms that benefits 1 without harming the other
What is parastism
400
a sandy or rocky biome with little precipitation and little plant life
What is a desert
500
the role an organism has in its ecosystem
What is niche
500
an animal that eats other animals
What is a carnivore
500
the first community living in an area
What is pioneer comunity
500
a relationship between 2 kinds of organisms
What is symbiosis
500
a forest biome with many kinds of trees that lose their leaves
What is a deciduous forest
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